BULLETIN OF THE UNITED STATES FISH COMMISSION. 427 



22. Has the weiither of auy j;iveu summer any iufliieuce on the abun- 

 dance or movements of the lish in the foUowing year"^ 



23. Have the weather and winds from March to June any influence 

 on the movements of the fish and their abundance in the Gulf of Maine 

 (Cape Cod to Nova Scotia) during- the summer months"? 



24. When, where, and in what depth of water do mackerel spawn ? 



25. Are they as readily caught by hook and line or with purse-seines 

 daring the spawniug season as at other times ? 



Washington, D. C, March 18, 1887. 



Ii23.— RS:P0RT of SHAO J>I!>$TRIJS(JT10IV for 18S6. 



By MARSIIA1.L MCDONALD. 



The work of shad propagation and the production of the young for 

 distribution was conducted on the Potomac Eiver at Fort Washington 

 and Central Stations, on the Susquehanna at Battery Station and by 

 the steamer Lookout, and on the Delaware Eiver by the steamer Fish 

 Hawk. Shad for distribution were contributed as follows : 



Battery Station, Susquehanna Eiver 43, 776, 000 



Central Station, Potomac Eiver 28, 151,000 



Steamer Fish Hawk, Delaware Eiver ..., 21,018,000 



Steamer Lookout < 310, 000 



Total. -.r. 93,255,000 



The aggregate number of fry actually planted was 92,679,000. In this 

 distribution liberal plants of shad fry have been made in the Potomac, the 

 Susquehanna, the Delaware, and other tributaries of Chesapeake and 

 Delaware Bays. The following is a summary by river basins of shad 

 distributed during the season of 1886 : 



Eiver basin. 



Tributaries of Narragansett Bay 



Tributaries of Long Island Sound 



Hudson River 



Delaware Eiver 



Tributaries of Chesapeake Bay 



Tributaries of Albemarle Sound 



Streams draining into the Atlantic south of Albemarlo Sound. 

 Mississippi Eiver and minor tributaries of the Gulf of Mexico 



Colorado Eiver, Gulf of California 



Columbia Eiver basin 



Total 



Eeceived 



from 

 station. 



2, 



21, 



1, 



4, 

 4, 

 ], 

 1, 



534, 000 

 832, 9(10 

 312, 000 

 618, 000 

 92a, 000 

 990, 000 

 288, 000 

 758, 000 

 000, 000 

 000,000 



93, 255, 000 



Actually 

 planted. 



2, 534, 000 



749, 000 



2,312,000 



21, 618, 000 



52, 835, 000 



1, 990, 000 



4, 183, 000 



4, 758, 000 



850, 000 



850, 000 



92, G79, 000 



Lost in 

 transit. 



83, 000 



88, 000 



105, 000 



150, 000 

 150, 000 



570, 000 



The localities at which the plants were made, the streams in which 

 they were made, and the number of fish included in each deposit are 

 given in the following table : 



